Deleting default quotas via REST API
You can delete the current default quotas for all users or buckets with the ostor-quotas service and the following parameters: default specifying user for users or bucket for buckets:
# s3_curl DELETE "http://s3.example.com/?ostor-quotas&default=user"
# s3_curl DELETE "http://s3.example.com/?ostor-quotas&default=bucket"